Home / 87,755.72-121,068.44-51,932.68

Finding the Fourth Proportional to 87,755.72, 121,068.44 and 51,932.68

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Solution

The fourth proportional to 87,755.72, 121,068.44 and 51,932.68 is: 71,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.72 : 121,068.44 = 51,932.68 : x
  2. Step 2: Convert to fraction form
    87,755.72/121,068.44 = 51,932.68/x
  3. Step 3: Cross multiply
    87,755.72x = 121,068.44 × 51,932.68
  4. Step 4: Simplify right side
    87,755.72x = 6,287,408,552.62
  5. Step 5: Solve for x
    x = 6,287,408,552.62/87,755.72
  6. Step 6: Final answer
    x = 71,646.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.